Triassic TurtlennDon mistakes a shell for a rock and meets Adam Adocus, a turtle with a head he can retract into his shell for self-defense. The Pteranodon family travels to the Triassic and meets Pauline Proganochelys, another kind of turtle who shares her own methods of defending herself.nnFun Fact: Many groups of animals we are familiar with today, including turtles, lived alongside the dinosaurs, but were not dinosaurs themselves.nnTank’s Baby BrothernnTank Triceratops has a new baby brother that everyone dotes on, making Tank feel left out. Buddy, Tiny, and Tank play with some older kid Triceratops, and Tank learns the perks of being a big brother.nnFun Fact: Children often act out when a new sibling comes along fearing they are no longer the baby of the family. With a little encouragement they soon realize that with their new position comes new responsibilities and exciting opportunities as the older brother or sister.